Operating panel



FIG. 1 is a front elevation view of an operating panel showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a left side elevation view thereof with the right side being a mirror image;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a front elevation view of an another embodiment of the operating panel showing my new design;

FIG. 8 is a rear elevation view thereof;

FIG. 9 is a perspective view thereof;

FIG. 10 is a left side elevation view thereof with the right side being a mirror image;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a bottom plan view thereof.

The broken lines in the Figures show portions of the operating panel which form no part of the claimed design. 

CLAIM The ornamental design for the operating panel, as shown. 